Exchange/SNA Manual

SET Command
Exchange/SNA Commands
3–56 104700 Tandem Computers Incorporated
PUN[CH] { ( [ number ] [, class-name ] ) | number }
specifies the class name of punch subdevices and the number of punch
subdevices supported by the line server. Each individual punch subdevice is
identified by the class name of punch subdevices and a unit number. For
example, if the class name of punch subdevices is PU, then PU3 specifies the
third (unit number 3) punch subdevice.
class-name
can be from one to six alphanumeric characters, of which the first must be
a letter. If you omit class-name , the default class name for punch
subdevices is PU.
number
specifies the number of punch subdevices supported by the line server.
The maximum number of punch subdevices the line server can support is
seven. The total number of printer subdevices and punch subdevices
cannot exceed seven. If you specify 0, the line server supports no punch
subdevices. If you omit number , the default number of punch subdevices
supported by the line server is 1.
If you omit this parameter, the line server supports a single punch subdevice
with the name PU1.
This parameter applies only when the Exchange/SNA line server does not yet
exist. After the line server has been created, you cannot change the name or
number of punch subdevices supported by the line server.
PUR[GE] ON | OF[F]
specifies which sense data is sent in a negative response when the line server
must abort the reception of a data stream from the host. This option is only
applicable when receiving files. When the send/receive server or your
application abends, stops, or closes the subdevice, a CLOSE message is sent to
the line server. (An ABORT command from the command interpreter also
causes the send/receive server to stop.) If the line server receives a CLOSE
message for a given subdevice before an EDS is received from the host, the
line server responds negatively to the next RU. The PURGE option controls
the sense data as follows.
If you specify PURGE ON, sense data %H0811 is sent to the host, resulting in
the job being purged. The host subdevice state remains unchanged.
If you specify PURGE OFF, sense data %H081C is sent to the host. The job is
retained, but the subdevice is put into the DRAINED state. An operator must
intervene to return the subdevice to the ACTIVE state. Later, you can try
again to receive the job output.
The default value for this parameter is ON.